const getIpADress = () => {
  let interfaces = require('os').networkInterfaces()
  for (let devName in interfaces) {
    let iface = interfaces[devName]
    for (let i = 0; i < iface.length; i++) {
      let alias = iface[i]
      if (
        alias.family === 'IPv4' &&
        alias.address !== '127.0.0.1' &&
        !alias.internal
      ) {
        return alias.address
      }
    }
  }
}

const IPv4 = getIpADress()
console.log('本机IP:', IPv4)

module.exports = { IPv4 }
